Leonardo Parraguez

OUR EXPERTS Meet Our Global Team Leonardo Parraguez Senior Process Engineer Chemical Civil Engineering, 2001 University of Santiago de Chile Leonardo joined Paterson & Cooke in 2022, bringing with him his extensive experience in the area of metallurgical processes. Leonardo is involved in a series of projects, from the conceptual stage through to the detailed … Read More

Stephen Wilson

OUR EXPERTS Meet Our Global Team Stephen Wilson Principal BEng (Mining), 2002 University of Exeter; ACSM, 2002 Camborne School of Mines Stephen joined the team in 2013 and is based in our Cornwall, UK office. He is the managing director of the Paterson & Cooke Europe operation. Stephen is a chartered Mining Engineer and a … Read More

Todd Wisdom

OUR EXPERTS Meet Our Global Team Todd Wisdom Director MSc Engineering (ChemEng), 1993 University of Houston BSc Engineering (ChemEng), 1990 Oregon State University Todd joined our team in October 2021 and is based in our Denver, Colorado office. He has a great deal of experience in designing, commissioning, and troubleshooting process equipment, including large thickeners, … Read More

Sarah Partington

OUR EXPERTS Meet Our Global Team Sarah Partington Process Engineer BEng (Hons) Materials Science and Engineering, 1998 Imperial College of Science, Technology and Medicine Sarah joined the Paterson & Cooke team in 2023 and is based in our UK office in Cornwall. She is an associate member of the Institute of Materials, Minerals and Mining … Read More

Ray Martinson

OUR EXPERTS Meet Our Global Team Ray Martinson Technical Manager & Director Professional Civil Engineer, 1983 Catholic University of Chile Ray joined Paterson & Cooke in 2005 and is now a technical manager and director of our Santiago office in Chile. Ray has extensive experience (over 35 years) in the design of hydraulic transportation systems, … Read More

Jason Hamelehle

OUR EXPERTS Meet Our Global Team Jason Hamelehle Process Engineer BSc Engineering (Chem), 2010 University of California Jason joined our team in 2013 and is a senior process engineer in our Denver office, USA. Jason has 13 years of tailings dewatering and processing experience. His areas of interest include filtered, paste, and thickened tailings dewatering … Read More

Rachel Jansen

OUR EXPERTS Meet Our Global Team Rachel Jansen Tailings Manager MPhil Met Engineering, 2007 GC MinRes, 2004 B.Eng Mat, 2003 University of Queensland Rachel joined Paterson & Cooke in 2012 and is now a senior process engineer and tailings manager for our North American practice, focusing on tailings dewatering and alternative tailings technologies. She is … Read More

David Romo

OUR EXPERTS Meet Our Global Team David Romo Process Manager & Director BSc Engineering (Civil), 1999 Universidad de Chile David joined the team in 2007 and is now the process and laboratory manager and director of Paterson & Cooke Chile, based in our Santiago office. David’s valuable experience in industrial and mining projects includes work … Read More

David Benavente

OUR EXPERTS Meet Our Global Team David Benavente Senior Tailings Engineer Masters in Industrial Engineering and Systems, 2020; Diploma in Business Management, 2020; Diploma in Business Innovation, 2020; Diploma in Operation Management, 2019, Universidad del Desarrollo; Bachelor of Engineering Science (Civil Metallurgical Engineering), 2014; Bachelor of Applied Engineering (Metallurgical) 2011, Universidad de Santiago de Chile … Read More

Robert Cooke

OUR EXPERTS Meet Our Global Team Robert Cooke Director PhD Engineering, 1991 MSc Engineering, 1986 BSc Engineering (Civil), 1984 University of Cape Town Robert co-founded Paterson & Cooke with Angus Paterson in 1991 and is a director of our Denver, Colorado practice. Robert has extensive international experience with mine tailings and backfill, long-distance slurry pipelines, … Read More